Other Income (Expense) - net (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Other Income
Economic foreign currency exchange contracts	$ (45)	$ (164)	$ (12)	$ (52)
Defined benefit plans - non-service credits	80	66	160	134
Interest Income	3	2	9	2
AFUDC - equity component	6	5	11	10
Miscellaneous	3	0	9	1
Total Other Income	137	237	201	199
Other Expense
Charitable Contributions	0	1	2	5
Miscellaneous	6	2	16	3
Total Other Expense	6	3	18	8
Other Income (Expense) - net	$ 131	$ 234	$ 183	$ 191